420050187

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{4127}}^1$

素因数の和:4439

約数の個数: 24

約数和(自身を含む): 623361024

約数和(自身を除く): 203310837

約数列:

[1, 3, 9, 43, 129, 263, 387, 789, 2367, 4127, 11309, 12381, 33927, 37143, 101781, 177461, 532383, 1085401, 1597149, 3256203, 9768609, 46672243, 140016729, 420050187]

約数ペア:

[(1, 420050187), (3, 140016729), (9, 46672243), (43, 9768609), (129, 3256203), (263, 1597149), (387, 1085401), (789, 532383), (2367, 177461), (4127, 101781), (11309, 37143), (12381, 33927)]